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The normal to the parabola y^(2)=4ax at ...

The normal to the parabola `y^(2)=4ax` at three points P,Q and R meet at A. If S is the focus, then prove that `SP*SR=aSA^(2)`.

A

`2^(3)`

B

`a^(2)(SO')`

C

`a(SO')^(2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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